:root {
  --bg: #0f1220;
  --panel: #171b2e;
  --panel-2: #1e2340;
  --text: #e6e8f0;
  --muted: #9aa0b8;
  --accent: #6ea8fe;
  --ok: #3ecf8e;
  --no: #ff6b6b;
  --border: #2a3050;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; row-gap: 10px; /* bez tego naglowek zalogowanego (Zadania+Ranking+nick+Wyloguj)
                                     nie miescil sie na mobile i wypychal cala strone w poziomie */
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.logo { font-weight: 700; font-size: 20px; color: var(--text); }
.lang-switch a { margin-left: 10px; color: var(--muted); font-size: 14px; }
.lang-switch a.active { color: var(--accent); font-weight: 600; }

.container { max-width: 860px; margin: 0 auto; padding: 28px 24px 64px; }

.hero h1 { font-size: 32px; margin: 8px 0 4px; }
.tagline { color: var(--muted); margin: 0 0 24px; }
.demo-hero .tagline { margin-bottom: 12px; font-size: 17px; }
.demo-hero .demo-lead { color: var(--muted); max-width: 720px; margin: 0 0 14px; line-height: 1.65; }
.demo-hero .demo-anchor { margin: 10px 0 26px; }
.demo-hero .demo-anchor a { color: var(--accent); font-weight: 600; text-decoration: none; }
.demo-hero .demo-anchor a:hover { text-decoration: underline; }
.demo-final { margin-top: 34px; }

.challenge-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.challenge-card a {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text);
}
.challenge-card a:hover { border-color: var(--accent); text-decoration: none; }
.challenge-card .title { flex: 1; font-weight: 600; }
.challenge-card .pts { color: var(--muted); font-size: 13px; }

.badge {
  font-size: 12px; padding: 3px 9px; border-radius: 999px;
  background: var(--panel-2); color: var(--muted); white-space: nowrap;
}
.badge-1 { color: #8ee6b0; }
.badge-2 { color: #9ec5ff; }
.badge-3 { color: #ffd479; }
.badge-4 { color: #ff9d6b; }
.badge-5 { color: #ff8fb1; }

.back { display: inline-block; margin-bottom: 16px; color: var(--muted); }
.challenge .ch-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.challenge h1 { font-size: 24px; margin: 6px 0; }
.challenge .pts { color: var(--muted); font-size: 14px; }
.desc { color: var(--text); background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; margin: 14px 0; }

.lbl { display: block; color: var(--muted); font-size: 13px; margin: 12px 0 6px; }
.code-input {
  width: 100%; min-height: 220px; resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px; padding: 14px; border-radius: 10px;
  background: #0c0f1c; color: #e6e8f0; border: 1px solid var(--border);
}
.code-block {
  background: #0c0f1c; border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; overflow-x: auto; font-size: 15px;
}
.answer-input {
  width: 100%; padding: 12px 14px; border-radius: 10px; font-size: 15px;
  background: #0c0f1c; color: var(--text); border: 1px solid var(--border);
  font-family: ui-monospace, monospace;
}
.hint { color: var(--muted); font-size: 13px; }
.answer-multiline { min-height: 96px; resize: vertical; line-height: 1.5; white-space: pre; }

/* Rodzina devtools: launcher targetu + wysuwane podpowiedzi. */
.target-launch {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; margin: 14px 0; display: flex; flex-direction: column; gap: 12px; align-items: flex-start;
}
.target-note { color: var(--muted); font-size: 14px; margin: 0; }
.reveal { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.reveal.shown {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
}

.actions { display: flex; gap: 10px; margin: 14px 0; }
.btn {
  padding: 10px 18px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); font-size: 14px; cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #0b1020; border-color: var(--accent); font-weight: 600; }

.result { margin-top: 14px; min-height: 20px; }
.result.pass { color: var(--ok); }
.result.fail { color: var(--no); }
.result .summary { font-weight: 700; margin: 0 0 8px; }
.result .tests { list-style: none; padding: 0; margin: 0; font-size: 14px; }
.result .tests li { padding: 3px 0; }
.result .tests li.ok { color: var(--ok); }
.result .tests li.no { color: var(--no); }

.demo-more { text-align: center; margin: 24px 0 8px; }

/* Panel uzytkownika */
.panel h1 { font-size: 24px; margin: 8px 0 16px; }
.panel-stats { display: flex; gap: 14px; flex-wrap: wrap; margin: 16px 0 24px; }
.panel-stats .stat {
  flex: 1; min-width: 120px; text-align: center; background: var(--panel);
  border: 1px solid var(--border); border-radius: 12px; padding: 18px 12px;
}
.panel-stats .stat-n { display: block; font-size: 30px; font-weight: 700; color: var(--accent); }
.panel-stats .stat-l { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }
.panel-section { margin: 20px 0; }
.panel-section h2 { font-size: 18px; margin: 0 0 12px; }
.recent-list { list-style: none; padding: 0; margin: 0; }
.recent-list li { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); }
.recent-list .pts { color: var(--ok); font-size: 13px; }
.panel-forms { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.panel-forms .panel-section { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; }
.panel-forms label { display: block; margin: 10px 0 4px; font-size: 14px; color: var(--muted); }
.panel-forms input { width: 100%; padding: 9px 12px; border-radius: 8px; margin-top: 4px; background: #0c0f1c; color: var(--text); border: 1px solid var(--border); }
.panel-forms .btn { margin-top: 14px; }

/* Ranking */
.leaderboard { max-width: 520px; margin: 24px auto; padding: 0 20px; }
.leaderboard h2 { text-align: center; font-size: 22px; margin: 8px 0 16px; }
.leaderboard ol { list-style: none; counter-reset: rank; padding: 0; margin: 0; }
.leaderboard li {
  display: flex; justify-content: space-between; align-items: center; counter-increment: rank;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 10px 16px; margin-bottom: 8px;
}
.leaderboard li::before { content: counter(rank) '.'; color: var(--muted); margin-right: 12px; min-width: 24px; }
.leaderboard .lb-handle { flex: 1; font-weight: 600; }
.leaderboard .lb-total { color: var(--accent); }

/* Nawigacja logowania w naglowku */
.auth-nav { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.auth-nav a { color: var(--muted); font-size: 14px; }
.auth-nav a:hover { color: var(--accent); text-decoration: none; }
.auth-nav a.nav-cta { color: #0b1020; background: var(--accent); padding: 5px 12px; border-radius: 8px; font-weight: 600; }
.auth-nav a.admin-link { color: #ffd479; }

/* Panel admina */
.admin h1 { font-size: 22px; margin: 8px 0 4px; }
.admin-filters { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
.admin-filters input[type=text] { flex: 1; min-width: 180px; padding: 8px 12px; border-radius: 8px; background: #0c0f1c; color: var(--text); border: 1px solid var(--border); }
.admin-filters select { padding: 8px 10px; border-radius: 8px; background: #0c0f1c; color: var(--text); border: 1px solid var(--border); }
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th, .admin-table td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.admin-table th { color: var(--muted); position: sticky; top: 0; background: var(--bg); }
.admin-table td:nth-child(3) { white-space: normal; min-width: 200px; }
.admin-id { color: var(--accent); background: var(--panel-2); padding: 1px 6px; border-radius: 5px; }
.btn-mini { padding: 4px 10px; font-size: 12px; }
.btn-mini.demo-on { background: rgba(62,207,142,.15); border-color: var(--ok); color: var(--ok); }
.btn-mini.state-off { background: rgba(255,107,107,.15); border-color: var(--no); color: var(--no); }
.admin-table tr.row-disabled { opacity: .5; }
.edit-form { max-width: 720px; margin-top: 16px; }
.edit-form label { display: block; margin: 12px 0 4px; font-size: 14px; color: var(--muted); }
.edit-form input, .edit-form textarea { width: 100%; padding: 9px 12px; border-radius: 8px; margin-top: 4px; background: #0c0f1c; color: var(--text); border: 1px solid var(--border); font-family: inherit; }
.edit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.edit-form .btn.primary { margin-top: 16px; }

/* Formularze kont (auth) */
.auth-box {
  max-width: 420px; margin: 32px auto; background: var(--panel);
  border: 1px solid var(--border); border-radius: 12px; padding: 24px 28px;
}
.auth-box h1 { font-size: 22px; margin: 0 0 16px; }
.auth-box form label { display: block; margin: 12px 0 4px; font-size: 14px; color: var(--muted); }
.auth-box form input[type=text], .auth-box form input[type=email], .auth-box form input[type=password] {
  width: 100%; padding: 10px 12px; border-radius: 8px; font-size: 15px; margin-top: 4px;
  background: #0c0f1c; color: var(--text); border: 1px solid var(--border);
}
.auth-box .btn.primary { margin-top: 16px; width: 100%; }
.auth-box .hint.ok { color: var(--ok); }
.auth-box .hint.no { color: var(--no); }
.auth-links { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 16px; font-size: 13px; }
.alert {
  padding: 10px 14px; border-radius: 8px; margin: 10px 0; font-size: 14px;
  background: rgba(255,120,120,.12); border: 1px solid var(--no); color: var(--no);
}
.alert.success { background: rgba(120,230,160,.12); border-color: var(--ok); color: var(--ok); }
.alert.dev { background: rgba(158,197,255,.12); border-color: #9ec5ff; color: #9ec5ff; }

/* Nawigacja glowna w naglowku (Cwicz / Demo). */
.main-nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-right: auto; margin-left: 8px; }
.main-nav a { color: var(--muted); font-size: 14px; }
.main-nav a:hover { color: var(--accent); text-decoration: none; }

/* Landing */
.landing-hero { text-align: center; padding: 48px 20px 32px; }
.landing-hero h1 { font-size: 40px; margin: 0 0 12px; }
.landing-sub { color: var(--muted); font-size: 17px; max-width: 640px; margin: 0 auto 24px; line-height: 1.6; }
.landing-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.landing-cta .btn { text-decoration: none; }
.landing-free { color: var(--ok); font-size: 14px; margin-top: 18px; }
.landing-counts { color: var(--text); font-size: 15px; margin-top: 6px; font-weight: 600; }
.landing-audience { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* Landing - sekcje pozycjonujace */
.landing-block { max-width: 960px; margin: 40px auto; padding: 0 20px; }
.landing-block > h2 { text-align: center; font-size: 26px; margin: 0 0 8px; }
.landing-block .block-intro { text-align: center; color: var(--muted); max-width: 640px; margin: 0 auto 24px; line-height: 1.6; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 20px; }
.info-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px 22px; }
.info-card h3 { margin: 0 0 10px; font-size: 17px; color: var(--accent); }
.info-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.type-group { margin: 20px 0; }
.type-group .type-cat { font-size: 18px; margin: 0 0 10px; }
.type-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.type-list li { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; color: var(--muted); font-size: 14px; line-height: 1.55; }
.type-list .type-tag { margin-right: 8px; vertical-align: middle; }
.type-group .type-cat-d { color: var(--muted); font-size: 14px; margin: 0 0 12px; line-height: 1.55; }
.demo-types .type-desc { display: block; margin-top: 6px; }
.types-more { text-align: center; margin: 22px 0 0; }
.types-more a { color: var(--accent); font-weight: 600; text-decoration: none; }
.types-more a:hover { text-decoration: underline; }
.steps { max-width: 640px; margin: 0 auto; padding-left: 24px; color: var(--text); line-height: 1.7; }
.steps li { margin-bottom: 8px; }
.levels-block { text-align: center; }
.level-badges { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.level-badges .badge { font-size: 14px; padding: 6px 14px; }
.final-cta { text-align: center; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 28px 20px; }

.landing-offer { max-width: 900px; margin: 24px auto; padding: 0 20px; }
.landing-offer h2, .landing-privacy h2 { text-align: center; font-size: 24px; margin: 8px 0 20px; }
.offer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.offer-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px;
}
.offer-card h3 { margin: 0 0 8px; font-size: 17px; }
.offer-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.offer-card.offer-devtools { border-color: #6be3d2; }
.offer-card.offer-devtools h3 { color: #6be3d2; }

.landing-privacy {
  max-width: 720px; margin: 32px auto; padding: 24px 20px; text-align: center;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
}
.landing-privacy p { color: var(--muted); line-height: 1.6; margin: 0 0 18px; }

/* Pasek funnela pod naglowkiem - linki do serwisow wlasciciela z tooltipami (title). */
.funnel-nav {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 8px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.funnel-nav .funnel-label { color: var(--muted); }
.funnel-nav a { color: var(--text); opacity: .85; }
.funnel-nav a:hover { opacity: 1; color: var(--accent); text-decoration: none; }

/* Waskie ekrany: mniejsze marginesy boczne paskow, zeby nic nie wypychalo strony w poziomie. */
@media (max-width: 560px) {
  .site-header { padding: 12px 14px; }
  .main-nav { margin-left: 0; gap: 8px 14px; }
  .logo { font-size: 18px; }
  .funnel-nav { padding: 8px 14px; }
  .admin-bar { padding: 8px 14px; }
}

/* Pasek admina (tylko dla admina, na gorze - narzedzia panelu) */
.admin-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; padding: 8px 24px; background: rgba(110,168,254,.08); border-bottom: 1px solid rgba(110,168,254,.25); font-size: 13px; }
.admin-bar .admin-bar-label { color: var(--accent); font-weight: 600; }
.admin-bar a { color: var(--text); opacity: .9; }
.admin-bar a:hover { color: var(--accent); opacity: 1; text-decoration: none; }

.site-footer {
  border-top: 1px solid var(--border); padding: 20px 24px; margin-top: 40px;
  color: var(--muted); font-size: 13px; text-align: center;
}
/* Linki funnela w JEDNEJ linii z separatorem middot */
.site-footer .funnel-line { display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: 4px 8px; }
.site-footer .funnel-line a { color: var(--text); opacity: .85; }
.site-footer .funnel-line a:hover { opacity: 1; color: var(--accent); text-decoration: none; }
.site-footer .funnel-line a:not(:last-child)::after { content: '·'; margin-left: 8px; color: var(--muted); opacity: .55; }
.site-footer .funnel-line .fl-label { color: var(--muted); margin-left: 2px; }
.site-footer .footer-bottom { margin-top: 12px; opacity: .85; }
.site-footer .footer-bottom a { color: var(--text); }
.site-footer .footer-bottom a:hover { color: var(--accent); }
.site-footer .footer-bottom .fb-sep { margin: 0 6px; opacity: .6; }
.site-footer .footer-version { margin-top: 10px; font-size: 11px; opacity: .45; letter-spacing: .04em; }

/* Statystyki */
.stats-page .panel-stats { max-width: 420px; }
.stats-table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
.stats-table th, .stats-table td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.stats-table th { color: var(--muted); font-weight: 600; }
.stats-table td:nth-child(2), .stats-table td:nth-child(3),
.stats-table th:nth-child(2), .stats-table th:nth-child(3) { text-align: right; }
.contact-box { max-width: 560px; }
.contact-box textarea { width: 100%; }
.notice { color: var(--muted); }

.type-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--panel-2); color: var(--muted); text-transform: uppercase; letter-spacing: .04em;
}
.type-tag.type-debug { color: #ff9d6b; }
.type-tag.type-goal { color: #8ee6b0; }
.type-tag.type-decode { color: #c9a0ff; }
.type-tag.type-predict { color: #9ec5ff; }
.type-tag.type-recon { color: #6be3d2; }
.type-tag.type-tamper { color: #6be3d2; }
.type-tag.type-function { color: #cfd3e6; }
.type-tag.type-regex { color: #ffd479; }
.type-tag.type-golf { color: #f2a6cc; }
.type-tag.type-security { color: #ff8a8a; }
.type-tag.type-regex-golf { color: #ffcf8f; }
.type-tag.type-output { color: #a0e0ff; }
.io-target { border-left: 3px solid var(--accent); }
.io-diff { white-space: pre-wrap; font-size: 13px; margin: 8px 0 0; opacity: .9; }

/* Aktywny filtr po typie (klik w badge) */
.type-filter-active { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; font-size: 13px; color: var(--muted); }
.type-filter-active .clear-type { color: var(--accent); }
.admin-filters .range-quick { display: inline-flex; gap: 4px; margin-left: 8px; flex-wrap: wrap; }
.challenge-list .type-tag[data-type] { cursor: pointer; }
.challenge-list .type-tag[data-type]:hover { outline: 1px solid var(--accent); }
a.type-tag:hover { outline: 1px solid var(--accent); text-decoration: none; }

/* Kategoria zadania - drugi wymiar obok poziomu. */
.group-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--panel-2); color: var(--muted);
  letter-spacing: .03em; white-space: nowrap;
}
.group-tag.group-devtools { color: #6be3d2; }
.group-tag.group-analysis { color: #c9a0ff; }
.group-tag.group-coding { color: #9ec5ff; }

.group-filter { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 18px; }
.group-filter a {
  font-size: 13px; padding: 6px 14px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--border); color: var(--muted);
}
.group-filter a:hover { border-color: var(--accent); text-decoration: none; }
.group-filter a.active { color: var(--text); border-color: var(--accent); background: var(--panel-2); }

/* Targety rodziny devtools - celowo wygladaja jak obca mini-apka, nie jak SolveJS. */
.target-page { padding: 40px 20px; }
.target {
  max-width: 560px; margin: 0 auto; background: var(--panel);
  border: 1px solid var(--border); border-radius: 12px; padding: 24px 28px;
}
.target h1 { font-size: 20px; margin: 0 0 14px; }
.target-body { color: var(--muted); font-size: 14px; line-height: 1.6; }
.target-flag {
  font-family: ui-monospace, monospace; font-size: 15px; color: var(--ok);
  background: #0c0f1c; border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 14px; margin-top: 16px; word-break: break-all;
}
.target-deny { color: var(--no); font-size: 14px; margin-top: 14px; }

.ch-id {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px;
  color: var(--muted); background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 2px 8px; align-self: center;
}
.share-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.share-bar .share-label { color: var(--muted); font-size: 14px; }
.share-bar .btn { font-size: 13px; padding: 7px 14px; }
.share-bar .share-fb { border-color: #3b5998; }
.share-bar .share-fb:hover { background: #3b5998; color: #fff; }

.author-mark {
  font-size: 11px; color: var(--muted); opacity: .65; font-weight: 600; letter-spacing: .03em;
}
.challenge-card .author-mark { margin-left: 4px; }
.ch-head .author-mark { align-self: center; }

/* --- Postep listy: pasek narzedzi (licznik + ukryj ukonczone) --- */
.list-toolbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin: 0 0 14px; padding: 8px 12px;
  background: var(--card, #171a2b); border: 1px solid rgba(255,255,255,.08); border-radius: 10px;
}
.progress-pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 700; font-size: 14px; color: var(--accent);
  padding: 4px 12px; border: 1px solid var(--accent); border-radius: 999px; background: rgba(110,168,254,.08);
}
.progress-pill .pp-check { color: #3fb950; }
.toggle-solved { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; font-size: 14px; color: var(--muted); user-select: none; }
.toggle-solved input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }

/* --- Oznaczenie rozwiazanych zadan --- */
.challenge-card { position: relative; }
.challenge-card.solved a { border-color: rgba(63,185,80,.5); }
.challenge-card.solved .title { color: #b7e3bf; }
.solved-badge {
  position: absolute; top: -7px; left: -7px; z-index: 2;
  width: 24px; height: 24px; border-radius: 50%;
  background: #2ea043; color: #fff; font-size: 14px; font-weight: 700; line-height: 24px; text-align: center;
  box-shadow: 0 0 0 2px var(--bg); pointer-events: none;
}
.challenge-list.hiding-solved .challenge-card.solved { display: none; }
/* rozwiazane "z pomoca" (podpowiedz/rozwiazanie przed rozwiazaniem) = bursztyn zamiast zieleni */
.solved-badge.helped { background: #b8860b; font-size: 12px; }
.challenge-card.helped.solved a { border-color: rgba(184,134,11,.5); }
.challenge-card.helped.solved .title { color: #e6d3a3; }
.reveal-cost { color: #d6a24a; opacity: .92; }

/* --- Admin: zarzadzanie uzytkownikami --- */
.admin-nav { margin: 6px 0 12px; }
/* Akcje userow ukladamy PIONOWO - inaczej 3 formularze + input rozpychaly kolumne poza tabele. */
.admin-table td.user-actions { white-space: normal; }
.user-actions { display: flex; flex-direction: column; gap: 5px; align-items: stretch; min-width: 150px; }
.user-actions form { display: flex; gap: 4px; align-items: center; margin: 0; }
.user-actions .btn-mini { white-space: nowrap; }
.rename-input { flex: 1; width: 100%; min-width: 90px; padding: 3px 6px; font-size: 12px; }
.temp-pw { font-size: 15px; background: rgba(255,255,255,.1); padding: 2px 8px; border-radius: 6px; letter-spacing: .04em; }

/* --- Regex Master: kolumny match / skip --- */
.regex-lists { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 14px 0; }
.regex-col { border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: 10px 14px; }
.regex-col h3 { margin: 0 0 8px; font-size: 14px; }
.regex-match { border-color: rgba(63,185,80,.45); }
.regex-skip { border-color: rgba(248,81,73,.45); }
.regex-col ul { list-style: none; margin: 0; padding: 0; }
.regex-col li { padding: 3px 0; }
.regex-col code { font-size: 13px; word-break: break-all; }
@media (max-width: 560px) { .regex-lists { grid-template-columns: 1fr; } }

/* --- Code Golf: licznik znakow --- */
.golf-meter { display: flex; gap: 14px; align-items: center; margin: 6px 0 10px; font-size: 13px; color: var(--muted); }
.golf-count { font-weight: 700; color: var(--accent); }
.golf-count.over { color: #f85149; }

/* --- Security: opcje wyboru (radio) --- */
.choices { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.choice { display: flex; gap: 10px; align-items: flex-start; padding: 10px 14px; border: 1px solid rgba(255,255,255,.12); border-radius: 10px; cursor: pointer; }
.choice:hover { border-color: var(--accent); }
.choice input { margin-top: 3px; accent-color: var(--accent); }

/* --- Panel "zaloguj sie, aby rozwiazac" (publiczny podglad zadania) --- */
.locked-panel {
  margin: 18px 0; padding: 20px; text-align: center;
  background: var(--card, #171a2b); border: 1px dashed rgba(110,168,254,.4); border-radius: 12px;
}
.locked-panel .locked-note { font-size: 16px; font-weight: 600; margin: 0 0 14px; }
.locked-panel .actions { justify-content: center; }
.locked-panel .locked-sub { margin: 12px 0 0; font-size: 13px; color: var(--muted); }

/* --- Baner (grafika) na landingu --- */
.landing-hero-img {
  display: block; width: 100%; max-width: 720px; height: auto; margin: 18px auto 32px;
  border-radius: 14px; border: 1px solid rgba(255,255,255,.08); box-shadow: 0 8px 30px rgba(0,0,0,.35);
}

/* --- Ranking (leaderboard) --- */
.rank-page { max-width: 820px; margin: 0 auto; padding: 8px 20px 40px; }
.rank-head { text-align: center; margin: 8px 0 20px; }
.rank-head h1 { font-size: 36px; margin: 0 0 10px; }
.rank-lead { color: var(--muted); line-height: 1.7; max-width: 600px; margin: 0 auto; }

/* Pasek filtrow (na razie wygaszony do czasu podpiecia danych). */
.rank-toolbar { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.rank-filters, .rank-scope { display: flex; gap: 8px; flex-wrap: wrap; }
.rank-chip {
  font: inherit; font-size: 14px; color: var(--muted); background: var(--panel);
  border: 1px solid var(--border); border-radius: 999px; padding: 7px 15px; cursor: default;
}
.rank-chip.active { color: #0f1220; background: var(--accent); border-color: var(--accent); font-weight: 600; }

/* Tabela + szkielet (ghost) + nakladka "wkrótce". */
.rank-table-wrap {
  position: relative; background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden; box-shadow: 0 8px 30px rgba(0,0,0,.25);
}
.rank-table { width: 100%; border-collapse: collapse; }
.rank-table th {
  text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); font-weight: 600; padding: 13px 16px; border-bottom: 1px solid var(--border);
}
.rank-table th.c-rank, .rank-table td.c-rank { width: 56px; text-align: center; }
.rank-table th.c-solved, .rank-table th.c-points { text-align: right; }
.rank-table td { padding: 13px 16px; border-bottom: 1px solid rgba(42,48,80,.5); }
.rank-table td.c-solved, .rank-table td.c-points { text-align: right; }
.ghost-row:last-child td { border-bottom: none; }
.rank-table td.c-player { display: flex; align-items: center; gap: 10px; }

.rank-num {
  display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px;
  border-radius: 50%; font-size: 13px; font-weight: 700; color: var(--muted); background: var(--panel-2);
}
.rank-num-1 { color: #0f1220; background: linear-gradient(180deg, #ffd76e, #f5b301); }
.rank-num-2 { color: #0f1220; background: linear-gradient(180deg, #d7dbe6, #aeb4c6); }
.rank-num-3 { color: #0f1220; background: linear-gradient(180deg, #e6a978, #cd7f4a); }

.ghost-avatar { width: 26px; height: 26px; border-radius: 50%; flex: none; }
.ghost-bar { display: inline-block; height: 10px; border-radius: 6px; }
.ghost-bar.w-name { width: 120px; }
.ghost-bar.w-num { width: 42px; }
.ghost-avatar, .ghost-bar {
  background: linear-gradient(90deg, var(--panel-2) 25%, #262c4d 50%, var(--panel-2) 75%);
  background-size: 320px 100%; animation: ghostShimmer 1.6s infinite linear;
}
@keyframes ghostShimmer { 0% { background-position: -160px 0; } 100% { background-position: 160px 0; } }

.rank-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center;
  justify-content: center; text-align: center; gap: 10px; padding: 24px;
  background: radial-gradient(circle at center, rgba(23,27,46,.70), rgba(15,18,32,.93));
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.rank-overlay strong { font-size: 22px; }
.rank-overlay p { color: var(--muted); max-width: 420px; margin: 0; line-height: 1.6; }
.rank-overlay .btn { margin-top: 4px; text-decoration: none; }
.rank-soon-badge {
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  color: var(--accent); background: rgba(110,168,254,.14); border: 1px solid rgba(110,168,254,.35);
  border-radius: 999px; padding: 4px 12px;
}
@media (max-width: 560px) {
  .rank-table th.c-solved, .rank-table td.c-solved { display: none; }
}

/* --- Dokumenty prawne (privacy/terms) + artykul SEO --- */
.legal, .article { max-width: 760px; margin: 0 auto; }
.legal-meta { color: var(--muted); font-size: 13px; margin: 4px 0 14px; }
.legal-intro, .article-lead { color: var(--muted); line-height: 1.7; border-left: 3px solid var(--accent); padding-left: 14px; margin: 10px 0 8px; }
.legal-sec { margin: 22px 0; }
.legal-sec h2 { font-size: 19px; margin: 0 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.legal-sec p, .legal-sec li { line-height: 1.7; color: var(--text); }
.legal-sec ul { padding-left: 20px; }
.legal-sec li { margin-bottom: 5px; }
.legal-note { background: rgba(110,168,254,.08); border-left: 3px solid var(--accent); padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; }
.legal-table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; }
.legal-table th, .legal-table td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; vertical-align: top; line-height: 1.5; }
.legal-table th { background: var(--panel); }
.legal-sec code { background: var(--panel); padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.legal-foot { margin-top: 26px; }
.legal a, .article a { color: var(--accent); }
.article-sec { margin: 24px 0; }
.article-sec h2 { font-size: 22px; margin: 0 0 12px; }
.article-sec p { line-height: 1.75; color: var(--text); margin: 0 0 12px; }
.article-sec ul { padding-left: 20px; line-height: 1.75; color: var(--text); margin: 0 0 12px; }
.article-sec li { margin-bottom: 6px; }
.article-faq h3 { font-size: 17px; margin: 18px 0 6px; }
.article-img { display: block; width: 100%; max-width: 460px; height: auto; margin: 10px auto 26px; border-radius: 14px; border: 1px solid rgba(255,255,255,.08); box-shadow: 0 8px 30px rgba(0,0,0,.35); }
.article-cta { margin-top: 32px; }

/* --- Baner cookies (informacyjny) --- */
.cookie-banner {
  position: fixed; left: 12px; right: 12px; bottom: 12px; max-width: 720px; margin: 0 auto;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px;
  display: flex; align-items: center; gap: 14px; box-shadow: 0 8px 30px rgba(0,0,0,.4);
  transform: translateY(150%); transition: transform .3s ease; z-index: 9999;
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-text { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.5; flex: 1; }
.cookie-text a { color: var(--accent); }
.cookie-banner .btn { white-space: nowrap; }
@media (max-width: 560px) { .cookie-banner { flex-direction: column; align-items: stretch; text-align: center; } }

/* --- Checkbox zgody przy rejestracji --- */
.consent { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--muted); margin: 6px 0; line-height: 1.5; }
.consent input { margin-top: 3px; flex: none; }
.consent a { color: var(--accent); }

/* --- Strefa zagrozenia: usuwanie konta --- */
.danger-zone { border: 1px solid rgba(255,107,107,.35); border-radius: 12px; padding: 16px 18px; margin-top: 20px; }
.danger-zone h2 { color: var(--no); margin-top: 0; }
.btn.danger { background: transparent; border-color: var(--no); color: var(--no); font-weight: 600; }
.btn.danger:hover { background: var(--no); color: #fff; border-color: var(--no); }

/* --- Strona 404 (motyw: blad w konsoli) --- */
.error-404 { max-width: 620px; margin: 10px auto; text-align: center; }
.error-404 .err-eyebrow { font-family: ui-monospace,"Cascadia Code",Consolas,monospace; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin: 0; }
.error-404 .err-num { font-size: clamp(4.5rem, 22vw, 9rem); font-weight: 800; line-height: 1; letter-spacing: -.02em; color: var(--accent); margin: 4px 0 6px; }
.error-404 .err-console { text-align: left; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; margin: 4px 0 22px; overflow-x: auto; font-family: ui-monospace,"Cascadia Code",Consolas,monospace; font-size: 13px; line-height: 1.7; }
.error-404 .err-console code { color: var(--text); white-space: pre; }
.error-404 .err-throw { color: var(--no); font-weight: 700; }
.error-404 .err-str { color: var(--ok); }
.error-404 .err-hint { color: var(--muted); }
.error-404 .err-h1 { font-size: clamp(1.4rem, 4vw, 1.9rem); margin: 6px 0 8px; }
.error-404 .err-lead { color: var(--muted); line-height: 1.6; margin: 0 0 22px; }
.error-404 .landing-cta { justify-content: center; }